JP2008051366A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a refrigerator capable of properly diffusing the light of LED to allow the light to spread into every corner inside of the refrigerator even when the LED is used as a light emitting source in the refrigerator comprising the LED for lighting the inside of a refrigerating compartment. <P>SOLUTION: The LED 114 is disposed to apply the light to an inner part of a concave reflection plate 113. An inside lamp is lit by lighting the LED 114 by a LED driving controlling means. The light of the LED 114 at that time is diffused by the reflecting plate 113 and uniformly applied to the entire refrigerating compartment. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an interior lamp of a refrigerator provided with an LED that irradiates a storage room.

  The refrigerator interior light is used to make it easier for the user to see the food in the refrigerator. However, in order to meet various requirements of the user, the lighting method and arrangement have been devised. Further, since lighting using a light bulb is often used in general, a refrigerator has been proposed in which the shape of the cover of the interior lamp is devised so that the illumination of the point light source is diffused and the lighting is easy to see by the user (for example, , See Patent Document 1).

FIG. 3 is a cross-sectional view showing a conventional refrigerator interior lamp structure described in Patent Document 1. As shown in FIG. In FIG. 3, the surface portion 18 of the interior light cover 12 is colored in milky white or the like with an appropriate interval over the entire height, and a plurality of concave portions integrally formed with a plastic material such as PMMA resin having permeability. 22 and the other surface portion 18 is manufactured by a double extrusion molding method using a material such as an opaque hard PVC resin colored in the same color white as the inner box 3 having a concealing property, By these, the inside of the cabinet is irradiated in a slit shape from the concave portion, and the irradiation effect is excellent and the appearance is improved.
JP-A-4-335984

  However, the above-described conventional configuration is effective when the light source is a light bulb. However, when an LED is used as a light-emitting source for the purpose of energy saving or the like due to recent technological progress, light is diffused due to the characteristics of the LED. It was difficult, and it had the subject that light did not spread over the whole warehouse only by processing the cover of the interior lamp. Moreover, as a method for solving this problem, there is a method of disposing and installing a large number of LEDs in several places, but there is a problem that the number of parts increases and the cost increases.

  The present invention solves the above-described conventional problems, and provides a refrigerator having an interior lamp using an LED that can appropriately diffuse the light of an LED installed in one place, is inexpensive, and has a small number of components. For the purpose.

  In order to solve the above-described conventional problems, the refrigerator of the present invention includes a concave reflector and an LED in the interior lamp, and the LED is disposed so as to emit light toward the reflector. It is possible to irradiate and diffuse the LED light uniformly.

  The refrigerator of the present invention provides a refrigerator having a concave reflector and illumination that uniformly illuminates the refrigerator by means of LEDs arranged to emit light toward the reflector, and the abnormality of the refrigerator by the LED energization control means. It is possible to provide a refrigerator capable of notifying the user of lighting or blinking of the interior lamp.

  According to the first aspect of the present invention, in the interior lamp disposed in the refrigerator, the interior lamp is composed of a concave reflector and an LED, and the LED emits light toward the reflector. By being arranged in, the reflection plate diffuses and irradiates light irradiated from the LED into the refrigerator, and the interior of the refrigerator is uniformly illuminated.

  According to a second aspect of the present invention, in the invention of the first aspect, since the LED is constituted by a plurality, the light radiated from the LED is diffused and irradiated in the refrigerator by the reflector. The interior of the refrigerator is uniformly illuminated.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the LED energization control means includes the LED energization control means, and the LED energization control means sequentially turns on or blinks the LEDs. When an abnormality occurs, the user can be alerted.

(Embodiment 1)
FIG. 1 is a block diagram of the refrigerator control device according to Embodiment 1 of the present invention, and shows the configuration and operation of the refrigerator. FIG. 2 is a detailed view of the refrigerator interior lamp in the first embodiment of the present invention.

  In FIG. 1, the refrigerator 102 includes a refrigerating room 101 and a refrigerating room door 107, and an interior lamp 110 is disposed on the top of the refrigerating room 101. The LED drive control means 111 controls the lighting and extinguishing of the interior lamp 110 by an input from a door switch 112 installed in the refrigerator compartment 101. In FIG. 2, the LED 114 is arranged to irradiate light inside the concave reflector 113.

  About the refrigerator comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  First, after the refrigerator 102 is turned on, when the refrigerator compartment door 107 of the refrigerator compartment 101 is opened, the LED drive control means 111 turns on the LED 114 by the signal of the door switch 112, and the interior lamp 110 is turned on. At this time, the light of the LED 114 is diffused and irradiated by the reflecting plate 113 as shown in FIG. When the refrigerator door 107 is opened for a predetermined time or longer, the LED drive control unit 111 blinks the LED 114 to warn the user that the door has been opened for a long time.

  As described above, in the present embodiment, the LED light is diffused and irradiated by the reflection of the reflecting plate, and the LED is blinked to indicate that the door is opened for a long time and the temperature of the refrigerator compartment rises. Can inform you.

  In the present embodiment, an alarm for opening the door for a long time is shown, but there is no problem even if it is used to notify other abnormality detected by the refrigerator.

  As described above, the refrigerator according to the present invention provides an interior lamp that can be irradiated evenly despite the installation of one place by efficiently diffusing the light of the LED, and is not limited to the refrigerator. If it is an apparatus using the light of LED as proof, the reflector according to each can be applied and the irradiation of LED can be made uniform.

The block diagram of the control apparatus of the refrigerator in Embodiment 1 of this invention Detailed view of refrigerator interior lamp in Embodiment 1 of the present invention Sectional drawing which shows the structure of the interior lamp of the conventional refrigerator

Explanation of symbols

102 Refrigerator 110 Interior light 111 LED drive control means 113 Reflector 114 LED

Claims (3)

  The refrigerator interior lamp is composed of a concave reflector and an LED, and the LED is arranged to emit light toward the reflector in the previous period.   The refrigerator according to claim 1, wherein a plurality of LEDs arranged toward the reflecting plate are configured.   The refrigerator according to claim 1 or 2, wherein the LED energization control means alerts the user as an alarm lamp by sequentially turning on or blinking the LEDs.

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